al_fputc(3) al_fputc(3)

al_fputc - Allegro 5 API

#include <allegro5/allegro.h>
int al_fputc(ALLEGRO_FILE *f, int c)

Write a single byte to the given file. The byte written is the value of c cast to an unsigned char.

Parameters:

c - byte value to write
f - file to write to

Returns the written byte (cast back to an int) on success, or EOF on error.

Allegro reference manual